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HonKit vs Vivliostyle: catalog facts
HonKit	Vivliostyle
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Command line	Web, Command line
Builds HTML, PDF and EPUB from one Markdown source Continues the open-source GitBook format	Book layout written in standard CSS Browser viewer and command-line PDF export
Command line only Requires a Node.js setup	Requires familiarity with HTML and CSS Vivliostyle Pub is still in alpha
Downloadable app	Downloadable app, Web application
Open source	Open source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.